edges_input.h File Reference

#include <stddef.h>
#include "c_types/pgr_costFlow_t.h"
#include "c_types/pgr_flow_t.h"
#include "c_types/pgr_basic_edge_t.h"
#include "c_types/pgr_edge_t.h"
#include "c_types/pgr_edge_xy_t.h"

Include dependency graph for edges_input.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Functions
void	pgr_get_basic_edges (char *sql, pgr_basic_edge_t **edges, size_t *total_edges)
	read basic edges More...
void	pgr_get_costFlow_edges (char *sql, pgr_costFlow_t **edges, size_t *total_edges)
	read edges for cost flow More...
void	pgr_get_edges (char *edges_sql, pgr_edge_t **edges, size_t *total_edges)
	basic edge_sql More...
void	pgr_get_edges_no_id (char *edges_sql, pgr_edge_t **edges, size_t *total_edges)
	edges_sql without id parameter More...
void	pgr_get_edges_reversed (char *edges_sql, pgr_edge_t **edges, size_t *total_edges)
void	pgr_get_edges_xy (char *edges_sql, Pgr_edge_xy_t **edges, size_t *total_edges)
	Edges with x, y vertices values. More...
void	pgr_get_edges_xy_reversed (char *edges_sql, Pgr_edge_xy_t **edges, size_t *total_edges)
	for many to 1 on aStar More...
void	pgr_get_flow_edges (char *sql, pgr_edge_t **edges, size_t *total_edges)
	read edges for flow More...

Function Documentation

pgr_get_basic_edges()

void pgr_get_basic_edges	(	char *	sql,
		pgr_basic_edge_t **	edges,
		size_t *	total_edges
	)

read basic edges

For queries of the type:

SELECT id, source, target, going, [coming]
FROM edge_table;

Parameters

[in]	sql
[out]	edges
[out]	total_edges

Definition at line 766 of file edges_input.c.

                             {
    bool ignore_id = false;
    get_edges_basic(sql, edges, total_edges, ignore_id);
}

References get_edges_basic().

Referenced by process().

pgr_get_costFlow_edges()

void pgr_get_costFlow_edges	(	char *	sql,
		pgr_costFlow_t **	edges,
		size_t *	total_edges
	)

read edges for cost flow

Edges:

bigint id, bigint source, bigint target, bigint capacity, bigint reverse_capacity float cost, float reverse_cost

Parameters

[in]	sql
[out]	edges
[out]	total_edges

Definition at line 701 of file edges_input.c.

                         {
    bool ignore_id = false;
    get_edges_costFlow(sql, edges, total_edges, ignore_id);
}

References get_edges_costFlow().

Referenced by process().

pgr_get_edges()

void pgr_get_edges	(	char *	edges_sql,
		pgr_edge_t **	edges,
		size_t *	total_edges
	)

basic edge_sql

For queries of the type:

SELECT id, source, target, cost, [reverse_cost]
FROM edge_table;

Parameters

[in]	edges_sql
[out]	edges
[out]	total_edges

Definition at line 711 of file edges_input.c.

                             {
    bool ignore_id = false;
    bool normal = true;
    get_edges_5_columns(edges_sql, edges, total_edges, ignore_id, normal);
}

References get_edges_5_columns().

Referenced by compute(), compute_trsp(), process(), and process_combinations().

pgr_get_edges_no_id()

void pgr_get_edges_no_id	(	char *	edges_sql,
		pgr_edge_t **	edges,
		size_t *	total_edges
	)

edges_sql without id parameter

SELECT source, target, cost, [reverse_cost]
FROM edge_table;

Currently used in: allpairs

Parameters

[in]	edges_sql
[out]	edges
[out]	total_edges

Definition at line 733 of file edges_input.c.

                             {
    bool ignore_id = true;
    bool normal = true;
    get_edges_5_columns(edges_sql, edges, total_edges, ignore_id, normal);
}

References get_edges_5_columns().

Referenced by process().

pgr_get_edges_reversed()

void pgr_get_edges_reversed	(	char *	edges_sql,
		pgr_edge_t **	edges,
		size_t *	total_edges
	)

Definition at line 722 of file edges_input.c.

                             {
    bool ignore_id = false;
    bool normal = false;
    get_edges_5_columns(edges_sql, edges, total_edges, ignore_id, normal);
}

References get_edges_5_columns().

Referenced by process().

pgr_get_edges_xy()

void pgr_get_edges_xy	(	char *	edges_sql,
		Pgr_edge_xy_t **	edges,
		size_t *	total_edges
	)

Edges with x, y vertices values.

For queries of the type:

SELECT id, source, target, cost, [reverse_cost], x1, y1, x2, y2
FROM edge_table;

Parameters

[in]	edges_sql
[out]	edges
[out]	total_edges

Definition at line 744 of file edges_input.c.

                             {
    get_edges_9_columns(edges_sql, edges, total_edges, true);
}

References get_edges_9_columns().

Referenced by process().

pgr_get_edges_xy_reversed()

void pgr_get_edges_xy_reversed	(	char *	edges_sql,
		Pgr_edge_xy_t **	edges,
		size_t *	total_edges
	)

for many to 1 on aStar

Used internally

Transforms queries of the type:

SELECT id, source, target, cost, [reverse_cost], x1, y1, x2, y2
FROM edge_table;

to

SELECT id, target, source, cost, [reverse_cost], x1, y1, x2, y2
FROM edge_table;

Parameters

[in]	edges_sql
[out]	edges
[out]	total_edges

Definition at line 757 of file edges_input.c.

                             {
    get_edges_9_columns(edges_sql, edges, total_edges, false);
}

References get_edges_9_columns().

Referenced by process().

pgr_get_flow_edges()

void pgr_get_flow_edges	(	char *	sql,
		pgr_edge_t **	edges,
		size_t *	total_edges
	)

read edges for flow

Edges:

bigint id, bigint source, bigint target, bigint capacity, bigint reverse_capacity

Parameters

[in]	sql
[out]	edges
[out]	total_edges

Definition at line 691 of file edges_input.c.

                         {
    bool ignore_id = false;
    get_edges_flow(sql, edges, total_edges, ignore_id);
}

References get_edges_flow().

Referenced by process().